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Natural Extracts Abolished Lipid Accumulation in Cells Harbouring non-favourable PNPLA3 genotype

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2018-03-01

Authors

Rojas, Angela
Gallego, Paloma
Gil-Gomez, Antonio
Munoz-Hernandez, Rocio
Rojas, Lourdes
Maldonado, Rosario
Gallego-Duran, Rocio
Garcia-Valdecasas, Marta
Del Campo, Jose A.
Bautista, Juan D.

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Mexican assoc hepatology
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Background & aims. G-allele of PNPLA3 (rs738409) favours triglycerides accumulation and steatosis. In this study, we examined the effect of quercetin and natural extracts from mushroom and artichoke on reducing lipid accumulation in hepatic cells. Material and methods. Huh7.5 cells were exposed to oleic acid (OA) and treated with quercetin and extracts to observe the lipid accumulation, the intracellular-TG concentration and the LD size. Sterol regulatory element binding proteins-1 (SREBP-1), peroxisome proliferator-activated receptor (PPAR alpha-gamma) and cholesterol acyltransferase (ACAT) gene expression levels were analysed. Results. Quercetin decreased the intracellular lipids, LD size and the levels of intracellular-TG through the down-regulation of SREBP-1c, PPAR gamma and ACAT1 increasing PPAR alpha. The natural-extracts suppressed OA-induced lipid accumulation and the intracellular-TG. They down-regulate the hepatic lipogenesis through SREBP-1c, besides the activation of lipolysis through the increasing of PPAR alpha expression. Conclusions. Quercetin and the aqueous extracts decrease intracellular lipid accumulation by down-regulation of lipogenesis and up-regulation of lipolysis.

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Steatosis, Lipid droplets, Triglycerides, Quercetin, Cynara scolymus, Agaricus Bisporus, Mushroom, Artichoke, Fatty liver-disease, Hepatic steatosis, Insulin-resistance, Hepg2 cells, In-vitro, Acid, Resveratrol, Lipogenesis, Activation, Expression

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